Probability Trees

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  • Created by: Fiona S
  • Created on: 21-02-15 01:00

Probability trees are used to calculate the probabilities of successive (one after another) events.


Eve has 3 red socks and 2 blue socks. She picks a sock at random, notes the colour, then puts it back in the drawer. She then picks another sock at random.


If you are going along the branches you multiply probabilities.

Find the


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